They’re obscuring changes in habit around front in Margate? (7,8)

'they're' is the definition.
The definition suggests an adverb but the answer is not.

'obscuring changes in habit around front in margate?' is the wordplay.
'obscuring' is an anagram indicator (I've seen 'obscure' mean this).
'around' is an insertion indicator.
'front in' indicates taking the first letters (I've seen 'fronts in' mean this (the letters are the front)).
The first letter of 'margate' is 'm'.
'changes'+'in'+'habit'='changesinhabit'
'changesinhabit' is an anagram of 'bathingachines'.
'bathingachines' enclosing 'm' is 'BATHING MACHINES'.